Guess that Invasive Plant (3/5)Online version GAME 3/5: Guess the native Charles River Plant using the clues to the side of the image! Then, advance to the next game using the arrows at the top of the page! by Charles River Conservancy 1 Grows up to 15ft tall in dense thickets in wetland areas Hints 1 Can alter the hydrology of its wetland habitat and make it more difficult for other plants to survive 2 While there is a native strain of this plant in New England, the invasive strain has become more common